CVE-2018-1000076

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.

References

http://blog.rubygems.org/2018/02/15/2.7.6-released.html

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html

https://access.redhat.com/errata/RHSA-2018:3729

https://access.redhat.com/errata/RHSA-2018:3730

https://access.redhat.com/errata/RHSA-2018:3731

https://access.redhat.com/errata/RHSA-2019:2028

https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693

https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html

https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html

https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html

https://usn.ubuntu.com/3621-1/

https://www.debian.org/security/2018/dsa-4219

https://www.debian.org/security/2018/dsa-4259

Details

Source: MITRE

Published: 2018-03-13

Updated: 2019-05-20

Type: CWE-347

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to 2.2.9 (inclusive)

Configuration 2

OR

cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to 2.3.6 (inclusive)

Configuration 3

OR

cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to 2.4.3 (inclusive)

Configuration 4

OR

cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* versions up to 2.5.0 (inclusive)

Configuration 5

OR

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Tenable Plugins

View all (26 total)

IDNameProductFamilySeverity
137599SUSE SLES12 Security Update : ruby2.1 (SUSE-SU-2020:1570-1)NessusSuSE Local Security Checks
high
134261RHEL 7 : ruby (RHSA-2020:0663)NessusRed Hat Local Security Checks
critical
134063RHEL 7 : ruby (RHSA-2020:0591)NessusRed Hat Local Security Checks
critical
133785RHEL 7 : ruby (RHSA-2020:0542)NessusRed Hat Local Security Checks
critical
132492NewStart CGSL CORE 5.05 / MAIN 5.05 : ruby Multiple Vulnerabilities (NS-SA-2019-0245)NessusNewStart CGSL Local Security Checks
critical
131412NewStart CGSL CORE 5.04 / MAIN 5.04 : ruby Multiple Vulnerabilities (NS-SA-2019-0221)NessusNewStart CGSL Local Security Checks
critical
128332CentOS 7 : ruby (CESA-2019:2028)NessusCentOS Local Security Checks
critical
128290Amazon Linux 2 : ruby (ALAS-2019-1276)NessusAmazon Linux Local Security Checks
critical
128260Scientific Linux Security Update : ruby on SL7.x x86_64 (20190806)NessusScientific Linux Local Security Checks
critical
127649RHEL 7 : ruby (RHSA-2019:2028)NessusRed Hat Local Security Checks
critical
126904openSUSE Security Update : ruby-bundled-gems-rpmhelper / ruby2.5 (openSUSE-2019-1771)NessusSuSE Local Security Checks
high
126617SUSE SLED15 / SLES15 Security Update : ruby-bundled-gems-rpmhelper, ruby2.5 (SUSE-SU-2019:1804-1)NessusSuSE Local Security Checks
high
125297Debian DLA-1796-1 : jruby security updateNessusDebian Local Security Checks
critical
111468Debian DSA-4259-1 : ruby2.3 - security updateNessusDebian Local Security Checks
critical
111081Debian DLA-1421-1 : ruby2.1 security updateNessusDebian Local Security Checks
critical
110871EulerOS 2.0 SP3 : ruby (EulerOS-SA-2018-1207)NessusHuawei Local Security Checks
critical
110418Debian DSA-4219-1 : jruby - security updateNessusDebian Local Security Checks
critical
110147EulerOS 2.0 SP1 : ruby (EulerOS-SA-2018-1143)NessusHuawei Local Security Checks
critical
109506EulerOS 2.0 SP2 : ruby (EulerOS-SA-2018-1108)NessusHuawei Local Security Checks
critical
109283Debian DLA-1358-1 : ruby1.9.1 security updateNessusDebian Local Security Checks
critical
109136Amazon Linux 2 : ruby (ALAS-2018-983)NessusAmazon Linux Local Security Checks
critical
109058Ubuntu 14.04 LTS : Ruby regression (USN-3621-2)NessusUbuntu Local Security Checks
critical
108879Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities (USN-3621-1)NessusUbuntu Local Security Checks
critical
108846Amazon Linux AMI : ruby20 / ruby22,ruby23,ruby24 (ALAS-2018-983)NessusAmazon Linux Local Security Checks
critical
108788Debian DLA-1337-1 : jruby security updateNessusDebian Local Security Checks
critical
108770Debian DLA-1336-1 : rubygems security updateNessusDebian Local Security Checks
critical